Definition: You are given a question on business ethics. Business ethics is a form of applied ethics that examines ethical principles and moral or ethical problems that can arise in a business environment. You are also given 4 answer options (associated with "A", "B", "C", "D"), out of which only one is correct. You need to answer the question by selecting the correct option. You should only answer with the choice letter, not the whole answer.
Input: ______ are the obligations of workers towards their employer, based on individual contracts and wider employment laws.
(A)Employee rights (B)Employee rights (C)Employer duties (D)Employee duties

D